JP6118182B2 - マルチピースロッキングブレードを備えるタービンロータ・ブレード組立体 - Google Patents

マルチピースロッキングブレードを備えるタービンロータ・ブレード組立体 Download PDF

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Publication number
JP6118182B2
JP6118182B2 JP2013116555A JP2013116555A JP6118182B2 JP 6118182 B2 JP6118182 B2 JP 6118182B2 JP 2013116555 A JP2013116555 A JP 2013116555A JP 2013116555 A JP2013116555 A JP 2013116555A JP 6118182 B2 JP6118182 B2 JP 6118182B2
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JP
Japan
Prior art keywords
screw
base
flat
hook
rotor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2013116555A
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English (en)
Japanese (ja)
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JP2013253598A5 (https=
JP2013253598A (ja
Inventor
トーマス・ジョセフ・ファリノー
エドワード・アーサー・デューハースト
ティモシー・スコット・マクマレイ
マニュエル・フェルナンデス
ジョン・トーマス・バシリコ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of JP2013253598A publication Critical patent/JP2013253598A/ja
Publication of JP2013253598A5 publication Critical patent/JP2013253598A5/ja
Application granted granted Critical
Publication of JP6118182B2 publication Critical patent/JP6118182B2/ja
Active legal-status Critical Current
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3023—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses
    • F01D5/303—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot
    • F01D5/3038—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot the slot having inwardly directed abutment faces on both sides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/32—Locking, e.g. by final locking blades or keys

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
JP2013116555A 2012-06-06 2013-06-03 マルチピースロッキングブレードを備えるタービンロータ・ブレード組立体 Active JP6118182B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/489,502 US9212563B2 (en) 2012-06-06 2012-06-06 Turbine rotor and blade assembly with multi-piece locking blade
US13/489,502 2012-06-06

Publications (3)

Publication Number Publication Date
JP2013253598A JP2013253598A (ja) 2013-12-19
JP2013253598A5 JP2013253598A5 (https=) 2016-07-21
JP6118182B2 true JP6118182B2 (ja) 2017-04-19

Family

ID=48539033

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013116555A Active JP6118182B2 (ja) 2012-06-06 2013-06-03 マルチピースロッキングブレードを備えるタービンロータ・ブレード組立体

Country Status (5)

Country Link
US (1) US9212563B2 (https=)
EP (1) EP2672068B1 (https=)
JP (1) JP6118182B2 (https=)
CN (1) CN103470308B (https=)
RU (1) RU2013127038A (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9726026B2 (en) 2012-06-06 2017-08-08 General Electric Company Turbine rotor and blade assembly with multi-piece locking blade
JP6190622B2 (ja) * 2013-05-15 2017-08-30 三菱日立パワーシステムズ株式会社 タービン
US10465537B2 (en) 2016-05-27 2019-11-05 General Electric Company Margin bucket dovetail radial support feature for axial entry buckets
US11555407B2 (en) 2020-05-19 2023-01-17 General Electric Company Turbomachine rotor assembly

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1687891A (en) * 1924-09-08 1928-10-16 Westinghouse Electric & Mfg Co Blade fastening
US1705585A (en) * 1924-09-08 1929-03-19 Westinghouse Electric & Mfg Co Turbine-blade fastening
US2315631A (en) * 1942-02-14 1943-04-06 Westinghouse Electric & Mfg Co Turbine blade locking apparatus
GB704882A (en) * 1951-03-08 1954-03-03 W H Allen Sons & Company Ltd Improvements in and relating to the securing of blading to turbine wheels and other high speed rotary members
US2918255A (en) * 1957-03-15 1959-12-22 Westinghouse Electric Corp Elastic fluid utilizing apparatus
JPS59142401U (ja) * 1983-03-16 1984-09-22 三菱重工業株式会社 回転流体機械の動翼の取付構造
JPH04132801A (ja) * 1990-09-25 1992-05-07 Fuji Electric Co Ltd 蒸気タービンの動翼固定構造
JP2001152804A (ja) 1999-11-19 2001-06-05 Mitsubishi Heavy Ind Ltd ガスタービン設備及びタービン翼
US7387494B2 (en) 2005-04-28 2008-06-17 General Electric Company Finger dovetail attachment between a turbine rotor wheel and bucket for stress reduction
US7270512B2 (en) 2005-08-24 2007-09-18 General Electric Company Stacked steampath and grooved bucket wheels for steam turbines
US7517195B2 (en) 2006-04-25 2009-04-14 General Electric Company Nested turbine bucket closure group
US7901187B2 (en) 2006-06-23 2011-03-08 Siemens Energy, Inc. Turbine rotor blade groove entry slot lock structure
US7921556B2 (en) 2007-08-16 2011-04-12 General Electric Company Fully bladed closure for tangential entry round skirt dovetails
DE102008048261B4 (de) * 2008-09-22 2017-04-06 Siemens Aktiengesellschaft Axialturbomaschinenrotor mit einem Schaufelschloss und Verfahren zum Herstellen desselben
US20100278652A1 (en) 2009-04-29 2010-11-04 General Electric Company Tangential entry dovetail cantilever load sharing
US20110158815A1 (en) 2009-12-28 2011-06-30 General Electric Company Non-circular pins for closure group assembly
US8046886B2 (en) 2009-12-30 2011-11-01 General Electric Company Fixture for mounting articulated turbine buckets
US20110158814A1 (en) 2009-12-31 2011-06-30 General Electric Company Turbine engine rotor blades and rotor wheels
US8561997B2 (en) 2010-01-05 2013-10-22 General Electric Company Adverse pressure gradient seal mechanism
US20110255978A1 (en) * 2010-04-16 2011-10-20 Brian Denver Potter Locking Assembly For Circumferential Attachments
US20120034086A1 (en) 2010-08-04 2012-02-09 General Electric Company Swing axial entry dovetail for steam turbine buckets

Also Published As

Publication number Publication date
EP2672068A2 (en) 2013-12-11
US9212563B2 (en) 2015-12-15
RU2013127038A (ru) 2014-12-10
US20130330204A1 (en) 2013-12-12
EP2672068B1 (en) 2020-10-14
EP2672068A3 (en) 2017-10-25
JP2013253598A (ja) 2013-12-19
CN103470308B (zh) 2016-08-10
CN103470308A (zh) 2013-12-25

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